Surname Kuzminskij (Кузминский 
, Kuzminskij 
) , around the globe, is a rare cognomen. The cognomen Kuzminskij is characteristic of Lithuania, where it is a rare surname, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Кузминский | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Kuzminskij | Lithuania |